<template>
  <div>
    <el-form :model="newBookForm" label-width="100px">
      <el-form-item label="书名">
        <el-input v-model="newBookForm.title"></el-input>
      </el-form-item>
      <el-form-item label="作者">
        <el-input v-model="newBookForm.author"></el-input>
      </el-form-item>
      <el-form-item label="库存">
        <el-input v-model="newBookForm.copies"></el-input>
      </el-form-item>
      <el-button @click="addBook">添加图书</el-button>
    </el-form>

    <el-table :data="books" style="width: 100%">
      <el-table-column prop="id" label="ID"></el-table-column>
      <el-table-column prop="title" label="书名"></el-table-column>
      <el-table-column prop="author" label="作者"></el-table-column>
      <el-table-column prop="copies" label="库存"></el-table-column>
      <el-table-column label="操作">
        <template slot-scope="scope">
          <el-button @click="deleteBook(scope.$index)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script>
export default {
  data() {
    return {
      books: [
        { "id": 1, "title": "Python编程", "author": "John Doe", "copies": 4 },
        { "id": 2, "title": "历史的秘密", "author": "Jane Smith", "copies": 3 },
        {"id": 3, "title": "宇宙探索", "author": "Emily Brown", "copies": 2},
        {"id": 4, "title": "健康生活", "author": "Mike Johnson", "copies": 5},
        {"id": 5, "title": "数学之美", "author": "Sarah Lee", "copies": 4},
        {"id": 6, "title": "艺术欣赏", "author": "David White", "copies": 3},
        {"id": 7, "title": "编程入门", "author": "Alice Green", "copies": 2},
        {"id": 8, "title": "科幻世界", "author": "Frank Black", "copies": 5},
        {"id": 9, "title": "自然奇观", "author": "Grace Blue", "copies": 4},
        {"id": 10, "title": "音乐之声", "author": "Tom Red", "copies": 3}
      ],
      newBookForm: {
        title: '',
        author: '',
        copies: 0
      }
    };
  },
  methods: {
    addBook() {
      const newBook = { 
        id: this.books.length + 1, 
        title: this.newBookForm.title, 
        author: this.newBookForm.author, 
        copies: this.newBookForm.copies 
      };
      this.books.push(newBook);
      this.newBookForm.title = '';
      this.newBookForm.author = '';
      this.newBookForm.copies = 0;
    },
    deleteBook(index) {
      this.books.splice(index, 1);
    }
  }
};
</script>